private Result <Thumbnails.ResolveOptions, Error> FromContract(Contracts.ResolveOptions options)
{
var tagResult = string.IsNullOrEmpty(options.Tag)
? Result.Success <Option <Name>, Error>(Option.None <Name>())
: Name.FromString(options.Tag).MapSuccess(t => Option.Some(t));
return(tagResult.MapSuccess(t => new Thumbnails.ResolveOptions
{
Tag = t,
MinWidth = options.MinWidth.ToOption(),
MinHeight = options.MinHeight.ToOption()
}));
}
public async Task <Result <IReadOnlyCollection <Contracts.ResolvedThumbnail>, Contracts.Error> > ResolveAsync(string galleryName, IEnumerable <string> ids, Contracts.ResolveOptions options)
{
var result = await Name.FromString(galleryName)
.AndThenAsync(gallery => ToIds(ids)
.AndThenAsync(id => FromContract(options)
.AndThenAsync(opts => _resolver.Resolve(gallery, id, opts))));
return(result.Map <IReadOnlyCollection <Contracts.ResolvedThumbnail>, Contracts.Error>(t => t.Select(ToContract).ToArray(), ErrorExtensions.ToContract));
}